/ Dictionary / Index A antibacterial: Meaning and Definition of Find definitions for: an•ti•bac•te•ri•al Pronunciation: (an"tē-bak-tēr'ē-ul, an"tī-), [key] — adj. destructive to or inhibiting the growth of bacteria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antibacterial (Thesaurus) antibacchius antiballistic Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language